News & Analysis as of

Regulatory Agenda Air Pollution Environmental Protection Agency (EPA)

Haynes Boone

EPA Proposes Repeal of Legal Foundation for Greenhouse Gas Rules

Haynes Boone on

The U.S. Environmental Protection Agency (EPA) has proposed a major shift in regulatory policy—to rescind the agency’s 2009 “Endangerment Finding” and to repeal all resulting emission standards for new motor vehicles and...more

Jones Day

EPA Proposes Repeal of 2024 Mercury and Air Toxics Standards Amendments

Jones Day on

On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more

Goldberg Segalla

EPA Announces Rollbacks on 31 Environmental Provisions

Goldberg Segalla on

The new administrator of the Environmental Protection Agency, Lee Zeldin, announced March 12 the agency would be rolling back 31 key environmental provisions that regulate air pollution, water protections, and the energy...more

Foley Hoag LLP - Energy & Climate Counsel

Supreme Court Decision Limits Ability to Curb Ozone and Other Air Emissions

The Supreme Court has released its opinion in Ohio v. EPA, a case involving whether the federal government’s “good neighbor” ozone regulations were properly promulgated. This decision impacts the authority of the U.S....more

Mitchell, Williams, Selig, Gates & Woodyard,...

FY 2025-2026 Draft National Program Guidance/U.S. EPA Office of Enforcement and Compliance Assurance: National Association of...

The National Association of Clean Air Agencies (“NACAA”) sent a June 10th letter to the United States Environmental Protection Agency (“EPA”) providing comments on the federal agency’s FY 2025-2026 National Program Guidance...more

Spilman Thomas & Battle, PLLC

Impact of EPA's New Limits on Greenhouse Gas Emissions

On April 25, 2024, the Environmental Protection Agency (EPA) released a set of rules aimed at cutting air, water, and land pollution from fossil fuel-fired plants. The rules would require existing coal-fired and new gas-fired...more

Foley Hoag LLP - Environmental Law

The D.C. Circuit Vacates Most of EPA’s SSM SIP Call; Generators Breath a Sigh of Relief

Earlier this month, the District of Columbia Court of Appeals vacated most of EPA’s startup, shutdown, and malfunction SIP Call. The Court’s rationale boils down to EPA’s failure to make a predicate finding that the SIP call...more

Goldberg Segalla

SCOTUS Poised to Shove Thy Neighbor on EPA Law

Goldberg Segalla on

In March 2023, the EPA issued its final Good Neighbor Plan, the last in a series of legislations designed to reduce emissions of ozone-forming nitrogen oxide (NO2) which cross state borders. Specifically, the Plan was...more

Troutman Pepper Locke

And so It Begins…EPA Issues First Disapproval of Regional Haze Round Two

Troutman Pepper Locke on

For anyone involved in the first round of the Clean Air Act regional haze program, the U.S. Environmental Protection Agency’s (EPA) action on the first business day of 2024 came as no surprise: EPA proposed to disapprove the...more

Mitchell, Williams, Selig, Gates & Woodyard,...

America Leads the Way/Our History as the Global Leader Reducing Emissions: U.S. House of Representatives Energy & Commerce...

The Subcommittee on Environment, Manufacturing, and Critical Materials of the United States House of Representatives Energy & Commerce Committee (“Committee”) held a November 29th hearing titled: America Leads the Way: Our...more

Robinson+Cole Environmental Law +

Back From the Grave? “Once In, Always In” for Hazardous Air Pollutant Emissions

In the Byzantine complexity of the Clean Air Act (CAA), EPA’s “once in, always in” policy regarding hazardous air pollutants (HAP) has been particularly confounding.  And now it’s back in play, through regulatory revisions...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Small/Intermediate Gasoline Bulk Storage Plants/NESHAP: Congressional Letter to U.S. Environmental Protection Agency Requesting...

A combined 82 Senators and Members of the United States House of Representatives sent a May 22nd letter to United States Environmental Protection Agency Administrator Michael Regan addressing certain aspects of EPA’s proposed...more

Robinson+Cole Environmental Law +

EPA’s Proposal to Tighten the Fine Particulate NAAQS: What's Proposed, Who's Potentially Impacted

On January 6, 2023, the U.S. Environmental Protection Agency (the EPA) released a pre-publication copy of a Proposed Rule, which will lower the annual National Ambient Air Quality Standard (NAAQS) for fine particulate matter...more

Foley Hoag LLP - Environmental Law

EPA Proposes to Lower the PM2.5 NAAQS — Searching For the Goldilocks Level

EPA has finally proposed revisions to the national ambient air quality standard for PM2.5. The Administrator is proposing to lower the standard from 12.0 ug/m3 to a range of 9.0 to 10.0 ug/m3....more

Robinson+Cole Environmental Law +

EPA Announces Additional Actions to Advance Environmental Justice Efforts

Throughout the first year of the Biden-Harris Administration, Environmental Justice (EJ) has been a focus of the U.S. Environmental Protection Agency. As I wrote about in November 2021, since January 2021 EPA has released...more

Jones Day

EPA Proposes Methane Emission Regulation for Existing Oil and Gas Production

Jones Day on

After years of attempts with varying success to regulate methane emissions from new oil and gas wells, the Biden administration has shifted strategy in proposing a regulatory program covering both new and existing oil and...more

Vinson & Elkins LLP

EPA Proposes Far-Reaching Methane Rules for the Oil and Gas Sector

Vinson & Elkins LLP on

The first action proposes first-time emission guidelines to reduce methane emissions from almost 1 million existing oil and gas wells, almost 2,000 existing interstate natural gas compressor stations, and over 500 existing...more

White & Case LLP

At Earth Day Summit, Biden Commits United States to Ambitious Goal of Cutting Emissions by Half by 2030 as the European Union...

White & Case LLP on

Over April 22nd and 23rd, the Biden administration hosted 40 world leaders in a climate summit coinciding with Earth Day. The leaders announced a variety of pledges and ambitions relating to curbing greenhouse gas emissions...more

Allen Matkins

California Environmental Law & Policy Update - March 2021

Allen Matkins on

U.S. EPA drops challenge of Redwood City salt ponds' protection under Clean Water Act - SFGate – February 26 - The U.S. Environmental Protection Agency (EPA) last Friday withdrew an appeal filed by the Trump...more

Shumaker, Loop & Kendrick, LLP

Client Alert: What to Expect from the Biden Administration’s Environmental Policy

During the 2016 campaign, Candidate Trump made one priority clear and that would be deregulating federal agencies should he win the presidency. In particular, Candidate Trump stated the United States Environmental Protection...more

Williams Mullen

Environmental Notes - January 2021

Williams Mullen on

Federal environmental policies are likely to undergo significant changes at DOJ and EPA under the Biden administration, including alteration of many Trump administration enforcement policies. Since many of these existing...more

King & Spalding

Emerging Regulation, Enforcement, and Litigation Involving Ethylene Oxide, a Critical Substance for Sterilizing Medical Products...

King & Spalding on

Ethylene oxide (“EtO”), one of the most widely used and effective substances for sterilizing medical products and devices, has come under intense scrutiny by the Environmental Protection Agency (“EPA”), the Food and Drug...more

Seyfarth Shaw LLP

EPA Proposes Revisions to Clarify New Source Review Permitting Process – Updating “Project Emissions Accounting”

Seyfarth Shaw LLP on

Seyfarth Synopsis: Consistent with guidance issued by the Environmental Protection Agency (EPA) in March 2018, the Agency has now proposed to codify changes to the New Source Review (NSR) applicability regulations to clarify...more

Williams Mullen

Round-up of Clean Air Developments from 2017

Williams Mullen on

2017 was an unusual year for environmental regulation, particularly under the Clean Air Act. A new President and new EPA Administrator have brought about significant changes to the environmental policies of their...more

Shumaker, Loop & Kendrick, LLP

Client Alert: U.S. EPA Withdraws "Once-In, Always-In" Policy for Sources Regulated Under Section 112 of the Clean Air Act

On January 25, 2018, U.S. EPA issued a memorandum entitled "Reclassification of Major Sources as Area Sources under Section 112 of the Clean Air Act." The memorandum addresses whether a source is subject to the stringent...more

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